1123411 has 4 divisors (see below), whose sum is σ = 1189512. Its totient is φ = 1057312.

The previous prime is 1123403. The next prime is 1123427. The reversal of 1123411 is 1143211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1143211 = 19 ⋅60169.

It is a cyclic number.

It is not a de Polignac number, because 1123411 - 2³ = 1123403 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1123391 and 1123400.

It is not an unprimeable number, because it can be changed into a prime (1123211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33025 + ... + 33058.

It is an arithmetic number, because the mean of its divisors is an integer number (297378).

2^1123411 is an apocalyptic number.

1123411 is a deficient number, since it is larger than the sum of its proper divisors (66101).

1123411 is an equidigital number, since it uses as much as digits as its factorization.

1123411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66100.

The product of its digits is 24, while the sum is 13.

The square root of 1123411 is about 1059.9108453073. The cubic root of 1123411 is about 103.9552013662.

Adding to 1123411 its reverse (1143211), we get a palindrome (2266622).

The spelling of 1123411 in words is "one million, one hundred twenty-three thousand, four hundred eleven".